【Description】 This is a "Finger Strap & Thumb Grip" for the SIGMA fp & fp L. The finger strap uses genuine leather, and the thumb grip is a product created with a 3D printer using PLA material. 【Contents】 The product includes a leather strap, a thumb grip x 1, and a 1/4 inch screw for fixing x 1. The camera body, lenses, and other products shown in the images are not included. 【Details】 1. This product enhances the hold and stability of the fp & fpL when held with the right hand. 2. Because the leather strap is handmade, there may be individual differences or minor scratches. 3. The design does not interfere with any buttons when this product is attached. 4. We have designed this product assuming the use of compact, lightweight lenses such as old lenses, so we cannot guarantee its durability under excessive weight. 【Dimensions】 Leather strap: Width approx. 12mm x Length approx. 120mm, Finger hole is approx. φ20mm. Thumb grip: Short side approx. 12mm x Long side approx. 24mm, Grip part is approx. 5mm high from the body. The overall thickness is approx. 10mm with the screw (thickness 4mm). 【Materials】 The leather strap part uses genuine leather and is handmade. The thumb grip part uses PLA filament. Because it is handmade or manufactured with a 3D printer, there are individual differences in the product. To correct individual differences, adjustments such as polishing may be performed, and polishing marks may be present upon delivery. 【Notes】 This product gains stability by fixing it with a 1/4 screw. When using, firmly secure this product to the camera body and check that stability is achieved before use. We also recommend checking the screws periodically for looseness.